Petrol and diesel prices at W R Tullock & Sons Limited

W R Tullock & Sons Limited, KW15 1HD.

What it is charging

• Super unleaded: 177.7p a litre, filed Tuesday 20 October

Unleaded within 5 miles

• Highland Fuels ltd: 177.9p a litre, 0.4 miles away

On a 55-litre tank at 40mpg. The distance is straight-line rather than by road, so a real trip is longer than the one costed here.